Includes the following systems: DSC Impassa, DSC 9047 and DSC 9155 Alexor.
Your security system is able to automatically test itself for power failures, low batteries, nonworking sensors, and communication troubles with the central monitoring station. When a trouble condition is detected, the trouble indicator will turn on and the keypad will beep every 10 seconds. Press [*] and  to view the trouble condition. The trouble indicator will flash. Use the [<] [>] keys to view trouble codes.
To silence trouble beeps, press [#].
|Alternate Communicator Trouble||Indicates a problem with the device used to communicate with the Monitoring station. Press [<] [>] to scroll through individual trouble messages.
3G Network Trouble: indicates poor or no signal strength with the cellular network. The problem should correct itself in 24 hours.
Ethernet Trouble: please check that your cable connection to the internet is plugged in securely, and that internet service is available. The problem should clear once the internet connection is corrected.
For all other conditions (SIM Card Lock, Central Station Receiver Trouble, Supervision Trouble and SMS Config Trouble), please call 1-800-ADT-ASAP for assistance.
|Blank Display/No Response||
The keypad’s batteries may be low. Replace the keypad’s batteries with any brand of AA batteries.
|Failure to Communicate||The system has failed to communicate with the Customer Monitoring Centers. Refer to the Communication Failure Troubleshooting page.|
|Loss of AC Power||The system has lost AC power; it receives AC power from your household/building power supply. It is continuing to operate for a limited time on the backup battery. Refer to the AC Power Failure Troubleshooting page.|
|Loss of Time & Date||If complete power was lost (AC and battery), the time and date will need to be reprogrammed. Refer to the Change Date & Time page.|
|Module/Sensor Fault||The system is experiencing difficulties with one or more modules or sensors. Continue pressing  to navigate through the zone, keypad and siren fault menus. Refer to the Sensor Troubleshooting page.|
|Module/Sensor Low Battery||The system has detected a low battery condition with one or more module or sensor on the system. Continue pressing  to display the zones, wireless keys, sirens and Prox Tags. Refer to the Find the Right Sensor Battery page to determine which battery your sensor needs.|
|Module/Sensor Tamper||The system has detected a tamper condition with one or more module or sensor. Continue pressing  to navigate through the zone, keypad and siren tamper menus to find the tampered module or sensor. Remove the cover of the sensor and then carefully secure it in place.|
|Orange Trouble LED on the panel||The Wireless Receiver has been experiencing interference for at least 20 seconds and cannot communicate with one or more wireless devices. Refer to the RF Interference Troubleshooting page.|
|Panel Response Not Received||The keypad has lost wireless communication with the panel. Occasional display of this message may be caused by local radio frequency interference. Refer to the RF Interference Troubleshooting page.|
|Service Required (press  for more info)||Display||Trouble Conditions|
|Low Battery [zone]||
This code indicates a low battery.
If shown with a zone number, it indicates that a peripheral device has a low battery. Refer to the Find the Right Sensor Battery81.html page to determine which battery your peripheral device needs.
If no zone number is shown, it indicates the system's main control battery is low. Check for AC power outage. Refer to the AC Power Failure Troubleshooting page. If AC power is available, refer to the Recharge or Replace a Battery page.
|System trouble.||This means the Wireless Receiver is in trouble. Go to the Event Viewer by entering [*], , [Master Code] and pressing [>] until the "Event Buffer" appears. Press [*] to view the fault. If "Hardware Fault" is displayed, please call 1-800-ADT-ASAP for assistance. For all other messages, ensure that your system is functioning properly by performing a System Test.|
|System tamper||The control panel is open or has not been closed properly. Open the DSC Impassa's control panel and secure it properly.|
|RF Jam detected||The Wireless Receiver is experiencing interference for at least 20 seconds and cannot communicate with one or more wireless devices. The LED Trouble light will appear orange. Refer to the RF Interference Troubleshooting page.|
|Telephone Line Fault
||The telephone line used by the alarm system to communicate with the Monitoring center is not functioning or is experiencing low voltage. Refer to the Communication Failure Troubleshooting page.|
System Panel Troubleshooting
Here you will find further information about your DSC Impassa system
Test Your System
Here is information about how to place your system in Test mode when replacing a battery or performing troubleshooting
Here is information about resetting your system
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